Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AA9ZU callsign genealogy
Currently held by George, Michael A
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by AA9ZU's current licensee, walking backwards.
- George, Michael AINgranted 1999-12-21cancelled 2000-07-29
Successor callsigns
Callsigns held now by people who previously held AA9ZU.
No current licensee on record previously held this callsign.